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GREENSBORO, N.C. — A security guard at N.C. A&T has been placed on leave as university police investigate a campus incident involving a student, the News & Record reports.

A 15-second video posted on social media Saturday shows an A&T security guard punching an A&T student in the neck. It’s not clear from the video what prompted the encounter, and the student did not appear to be seriously injured.

At about 5:15 p.m Friday, A&T police reports 57-year-old security officer Richard E. Hughes encountered the student inside the university’s student center.

A&T Police Chief Charles Wilson said in an email interview Tuesday that the security guard has been placed on administrative leave with pay while the department investigates. Wilson said no criminal charges have been filed and no one has been arrested.

The video, viewed nearly 104,000 times since Saturday, is here:

Less than three hours after the video appeared online, the A&T police department said it put the security officer on leave: